diff --git a/.travis.yml b/.travis.yml
index 3d4b29b..e55609a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,9 +12,9 @@
 language: node_js
 
 node_js:
-  - "4"
-  - "6"
-  - "8"
+  - "10"
+  - "12"
+  - "14"
   - "node"
 
 branches:
diff --git a/appveyor.yml b/appveyor.yml
index 00c595c..1325f85 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -13,9 +13,9 @@
 # Test against these versions of Node.js.
 environment:
   matrix:
-    - nodejs_version: "4"
-    - nodejs_version: "6"
-    - nodejs_version: "8"
+    - nodejs_version: "10"
+    - nodejs_version: "12"
+    - nodejs_version: "14"
 
 # Install scripts. (runs after repo cloning)
 install: